<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>站点创建成功-phpstudy for windows</title>
</head>
<body>
 
</body>
<script>
   var xhr=new XMLHttpRequest();
   xhr.onreadystatechange=function(){
    if(xhr.readyState===XMLHttpRequest.DONE){
        var data=xhr.responseXMl;
        var booklist=data.getElementsByTagName('booklist')[0];
        console.log(booklist.childNodes);
    }
   };
   xhr.open('GET','/test/xmldata');
   xhr.send();
</script>
</html>